Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Paraffin Carbon tetrachloride Water Ethylene glycol Paraffin Carbon tetrachloride Water Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as transportation lag Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change Same as transportation lag Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer is the international standard for temperature measurement between Neither A nor B 13.81°K to 903.9°K Both A and B Triple point of hydrogen and freezing point of antimony Neither A nor B 13.81°K to 903.9°K Both A and B Triple point of hydrogen and freezing point of antimony ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency at which maximum amplitude ratio is attained is called the __________ frequency. Resonant Natural Corner Cross-over Resonant Natural Corner Cross-over ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Chromel-alumel Tungsten-molybdenum Platinum-rhodium Iron-constantan Chromel-alumel Tungsten-molybdenum Platinum-rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by Reducing value of Kc None of these Introducing integral control Introducing derivative control Reducing value of Kc None of these Introducing integral control Introducing derivative control ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS